KR20110019959A - Dry mortar composition and process for figurative body of architecture using the same - Google Patents
Dry mortar composition and process for figurative body of architecture using the same Download PDFInfo
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- KR20110019959A KR20110019959A KR20090077596A KR20090077596A KR20110019959A KR 20110019959 A KR20110019959 A KR 20110019959A KR 20090077596 A KR20090077596 A KR 20090077596A KR 20090077596 A KR20090077596 A KR 20090077596A KR 20110019959 A KR20110019959 A KR 20110019959A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/06—Quartz; Sand
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/06—Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers ; Inhibiting the action of active ingredients
- C04B40/0608—Dry ready-made mixtures, e.g. mortars at which only water or a water solution has to be added before use
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
본 발명은 한식 건축물을 콘크리트 구조로 건축할 때 공포, 기둥, 서까래, 난간, 난간기둥 등의 건축 조형물을 제조하기 위한 건조 몰탈 조성물과, 이러한 건조 몰탈 조성물의 바람직한 이용방법에 관한 것이다.The present invention relates to a dry mortar composition for producing architectural sculptures such as horror, columns, rafters, balustrades, handrail pillars, and a preferred method of using such a dry mortar composition when building a Korean-style building in a concrete structure.
한옥, 사찰, 정자 등의 전통 한식 건축물은 대부분 목조 건축물로 시공하지만, 천연 목재의 경우 자재 수급에 한계가 있고, 매우 고가이며, 화재시 매우 취약하기 때문에 최근에는 콘크리트 구조의 건축물로 시공하는 사례가 증가하는 추세에 있다. 이와 같은 추세에 발맞춰 한식 건축물을 콘크리트 구조로 건축하기 위한 기술들이 개발되고 있으며, 하지만 그러한 기술 대부분은 등록특허 제0326138호 및 제0803668호와 같이 성형 거푸집에 관한 것들이다.Most traditional Korean buildings such as hanok, temples, and sperm are constructed with wooden structures, but natural wood has limited supply and demand, is very expensive, and is very fragile in case of fire. There is a growing trend. In accordance with this trend, technologies for building Korean-style buildings with concrete structures have been developed, but most of those technologies are related to molding dies, such as Korean Patent Nos. 0326138 and 0,080,683.
한편, 한식 건축물에서 공포, 기둥, 서까래, 난간, 벽, 기와 등은 그 형상이 다양하고 복잡한 문양을 가지므로, 이들 공포, 기둥, 서까래, 난간, 벽, 기와 등은 일반적인 콘크리트로 정교하게 제작하기 어렵다. 도 1은 하기 [표 1]에 따른 몰탈 배합으로 제조한 건축 조형물을 보여주는데, 보는 바와 같이 표면에 곰보 등이 형성되는 것을 확인할 수 있다. 표면의 곰보는 건축물의 외관을 떨어뜨리며, 경우에 따라 파손 등의 문제로 이어지기 쉽다.Meanwhile, in Korean architecture, horror, columns, rafters, railings, walls, and roof tiles have various and complex patterns, so these horror, columns, rafters, railings, walls, roof tiles, etc. are elaborately made of general concrete. it's difficult. Figure 1 shows the architectural sculptures prepared by mortar blending according to the following [Table 1], as can be seen that the surface is formed, such as ambobo. Pumbo on the surface degrades the appearance of the building and, in some cases, leads to problems such as damage.
본 발명은 종래 건축 조형물을 제조함에 있어 표면에 곰보 등이 형성되는 문제를 개선하고자 개발된 것으로서, 충전성을 개선하여 곰보 등이 형성되는 것을 억제할 수 있는 건축 조형물용 건조 몰탈 조성물과, 이러한 건조 몰탈 조성물의 바람직한 이용방법을 제공하는데 기술적 과제가 있다.The present invention was developed in order to improve the problem of forming a light beam on the surface in manufacturing a conventional architectural sculpture, and the drying mortar composition for building moldings that can suppress the formation of the light beam by improving the filling properties, such drying There is a technical problem in providing a preferred method of using the mortar composition.
상기한 기술적 과제를 해결하기 위해 본 발명은 다음과 같은 기술적 특징을 가지는 건조 몰탈 조성물과, 충전 몰탈 조성물, 충전 콘크리트 조성물, 그리고 건축 조형물 제조방법을 제공한다.In order to solve the above technical problem, the present invention provides a dry mortar composition, a filling mortar composition, a filled concrete composition, and a method of manufacturing a building sculpture having the following technical characteristics.
본 발명에 따른 건조 몰탈 조성물은, 건축 조형물의 제조를 위한 시멘트 조성물로서, 보통 포틀랜드시멘트를 포함한 시멘트 25~45중량%; 플라이애시, 슬래그 미분말, 석회석 미분말, 실리카퓸 중 하나 이상의 혼화재 4~15중량%; 나프탈렌계 분말형 유동화제 0.2~0.5중량%; 실리콘계 분말형 소포제 0.1~0.3중량%; 폴리사카라이드계 분말형 증점제 0.002~0.01중량%; 및, 건조 모래 40~68중량%;로 조성되는 것을 특징으로 한다.Dry mortar composition according to the present invention, the cement composition for the production of architectural sculptures, usually 25 to 45% by weight of cement including Portland cement; 4-15% by weight of at least one admixture of fly ash, fine slag powder, fine limestone powder, and silica fume; 0.2-0.5 weight% of naphthalene powder type fluidizing agent; 0.1 to 0.3% by weight of a silicone powder type antifoaming agent; 0.002 to 0.01 wt% of a polysaccharide powder thickener; And 40 to 68% by weight of dry sand.
본 발명에 따른 충전 몰탈 조성물은, 상기한 건조 몰탈 조성물;과, 상기 건조 몰탈 조성물에 대하여 15~25중량%의 배합수;로 조성되는 것을 특징으로 한다.Filling mortar composition according to the present invention is characterized in that the composition is composed of the above-described dry mortar composition; and the mixing water of 15 to 25% by weight relative to the dry mortar composition.
본 발명에 따른 충전 콘크리트 조성물은, 상기한 건조 몰탈 조성물; 상기 건조 몰탈 조성물에 대하여 10~50중량% 굵은 골재; 및, 상기 건조 몰탈 조성물에 대하여 15~25중량%의 배합수;로 조성되는 것을 특징으로 한다.Filled concrete composition according to the present invention, the above-described dry mortar composition; 10 to 50% by weight coarse aggregate with respect to the dry mortar composition; And 15 to 25% by weight of the blended water with respect to the dry mortar composition.
본 발명에 따른 건축 조형물 제조방법은, 상기한 건조 몰탈 조성물을 혼합하는 단계; 상기 건조 몰탈 조성물에 대하여 15~25중량%의 배합수를 투입 혼합하여 충전 몰탈로 만드는 단계; 상기 충전 몰탈을 건축 조형물용 형틀에 충전하는 단계; 양생한 후 형틀을 탈형하는 단계;로 이루어지거나, 상기한 건조 몰탈 조성물을 혼합하는 단계; 상기 건조 몰탈 조성물에 대하여 10~50중량%의 굵은 골재를 투입 혼합하고, 상기 건조 몰탈 조성물에 대하여 15~25중량%의 배합수를 투입 혼합하여 충전 콘크리트를 만드는 단계; 상기 충전 콘크리트를 건축 조형물용 형틀에 충전하는 단계; 양생한 후 형틀을 탈형하는 단계;로 이루어지는 것을 특징으로 한다.Building sculpture manufacturing method according to the invention, the step of mixing the dry mortar composition; 15 to 25% by weight of the blended water with respect to the dry mortar composition is mixed to make a filling mortar; Filling the filling mortar into a mold for architectural sculpture; Demolding the mold after curing; or mixing the dry mortar composition described above; Adding 10 to 50% by weight of coarse aggregate with respect to the dry mortar composition, and mixing and mixing 15 to 25% by weight of mixed water with respect to the dry mortar composition to form a packed concrete; Filling the filling concrete into a mold for building sculpture; After curing, demoulding the mold; characterized in that consisting of.
본 발명에 따르면 다음과 같은 효과를 기대할 수 있다.According to the present invention, the following effects can be expected.
첫째, 유동성이 우수하여 다양한 형태의 건축 조형물을 용이하게 제조할 수 있고, 아울러 고강도를 발현하기 때문에 고내구성의 건축 조형물을 제조할 수 있다. 뿐만 아니라 곰보 등을 최소화할 수 있기 때문에 미려한 외관을 가지는 것은 물론 모서리 등의 파손을 줄일 수 있는 건축 조형물을 제조할 수 있다.First, it is excellent in fluidity and can easily manufacture various types of architectural sculptures, and because of the high strength, it is possible to manufacture highly durable architectural sculptures. In addition, since it is possible to minimize such as bear, it is possible to manufacture architectural sculptures that have a beautiful appearance as well as reduce damage such as corners.
둘째, 몰탈을 건조 상태의 재료만을 이용하여 프리믹스 제품화할 수 있다. 이에 따라 공장 생산된 건조 몰탈을 장기간 보관할 수 있으며, 현장에서는 배합수만을 혼합하면서 간편하게 이용할 수 있다.Second, mortar can be premixed using only dry materials. Accordingly, the factory-produced dry mortar can be stored for a long time, and can be conveniently used while mixing only the blended water in the field.
본 발명은 한식 건축물에서 다양하고 복잡한 모양을 가지는 공포, 기둥, 서까래, 난간, 벽, 기와 등의 건축 조형물을 제조하기 위한 용도의 몰탈 조성물에 관한 것으로, 보통 포틀랜드시멘트를 포함한 시멘트 25~45중량%; 플라이애시, 슬래그 미분말, 석회석 미분말, 실리카퓸 중 하나 이상의 혼화재 4~15중량%; 나프탈렌계 분말형 유동화제 0.2~0.5중량%; 실리콘계 분말형 소포제 0.1~0.3중량%; 폴리사카라이드계 분말형 증점제 0.002~0.01중량%; 및, 건조 모래 40~68중량%;로 조성된다는데 특징이 있다.The present invention relates to a mortar composition for the production of architectural sculptures such as horror, columns, rafters, railings, walls, roof tiles, etc. having various and complex shapes in Korean architecture, usually 25 to 45% by weight of cement including portland cement ; 4-15% by weight of at least one admixture of fly ash, fine slag powder, fine limestone powder, and silica fume; 0.2-0.5 weight% of naphthalene powder type fluidizing agent; 0.1 to 0.3% by weight of a silicone powder type antifoaming agent; 0.002 to 0.01 wt% of a polysaccharide powder thickener; And 40 to 68% by weight of dry sand.
본 발명에 따른 몰탈 조성물은 통상적인 몰탈과는 달리 배합수가 혼합되기 전 상태이며, 이를 본 발명에서는 건조 몰탈이라 명명한다. 건조 몰탈은 미리 공장에서 조성 배합하여 제품화할 수 있으며, 이렇게 제품화된 건조 몰탈은 현장에서 소정의 배합수 내지 굵은 골재와 혼합하여 사용하면 된다. 본 발명에서는 건조 몰탈과 배합수를 혼합한 것을 충전 몰탈이라 명명하며, 건조 몰탈과 굵은 골재 및 배합수를 혼합한 것을 충전 콘크리트라 명명한다.Unlike conventional mortar, the mortar composition according to the present invention is in a state before mixing water is mixed, which is referred to as dry mortar in the present invention. The dry mortar may be formulated and commercialized in a factory in advance, and the commercially available dry mortar may be mixed with a predetermined blended water or coarse aggregate in the field. In the present invention, a mixture of dry mortar and the blended water is called filling mortar, and a mixture of dry mortar, coarse aggregate and the blended water is called filled concrete.
본 발명에서 시멘트는 보통 포틀랜드시멘트이면 충분하며, 다만 경우에 따라 보통 포틀랜드시멘트와 활성황토를 혼합한 활성황토 시멘트를 적용할 수도 있다. 활성황토 시멘트는 활성황토에 기한 친환경성을 기대할 수 있으며, 보통 포틀랜드시멘트 70~90중량%와 활성황토 10~30중량%로 조성하는 것이 친환경성, 경제성, 강도, 유동성 등 전반적인 상황을 고려할 때 적당하다. 본 발명에서는 시멘트량은 전체 건조 몰탈 조성물에서 25~45중량% 차지하는데, 이른 건축 조형물의 기본 성능을 고려하여 결정된 범위이다. 즉, 시멘트량이 25중량% 미만이면 충분한 강도 발현이 어렵기 때문에 파손 등 내구성에 문제를 초래하기 쉬우며, 45중량% 초과하면 점성이 증가하기 때문에 기포 등의 발생으로 불량한 표면 마감을 초래한다.In the present invention, the cement is usually a portland cement is sufficient, but in some cases, it is also possible to apply the active ocher cement mixed with the ordinary portland cement and activated ocher. Activated ocher cement can be expected to be environmentally friendly due to activated ocher, and it is usually appropriate to formulate 70 to 90% by weight of Portland cement and 10 to 30% by weight of active ocher in consideration of the overall environment such as eco-friendliness, economy, strength and fluidity. Do. In the present invention, the amount of cement accounts for 25 to 45% by weight in the total dry mortar composition, which is a range determined in consideration of the basic performance of the early building sculpture. That is, when the amount of cement is less than 25% by weight, it is difficult to develop sufficient strength, so it is easy to cause problems such as breakage, and when it exceeds 45% by weight, the viscosity increases, resulting in poor surface finish due to the generation of bubbles.
본 발명에서 혼화재는 시멘트 대체재로서 시멘트와 함께 필러 역할을 하며, 나아가 시멘트와 반응하여 치밀한 조직 형성과 장기강도에서 유리한 효과를 발휘한다. 혼화재로는 플라이애시, 슬래그 미분말, 석회석 미분말, 실리카퓸 중에서 하나 이상을 선택할 수 있으며, 전체 건조 몰탈 조성물에서 4~15중량% 차지하도록 사용한다. 혼화재의 함량이 4중량% 미만이면 혼화재에 의한 효과를 기대하기 어렵 고, 혼화재의 함량이 15중량% 초과하면 시멘트량에 비해 상대적으로 많아져 오히려 초기강도가 저하하여 건축조형물의 초기 형틀제거시기를 지연하는 불리한 효과를 가져온다. 각 혼화재는 통상 콘크리트 혼화재로 사용하는 범위 내의 분말도로 사용하며, 가령 플라이애시는 2,500~4,500㎠/g, 슬래그 미분말은 4,000~6,000㎠/g, 석회석 미분말은 6,000~8,000㎠/g, 실리카퓸은 100,000~130,000㎠/g이다.In the present invention, the admixture serves as a filler with cement as a cement substitute, and furthermore, reacts with the cement to have a beneficial effect on the formation of dense tissue and long-term strength. As the admixture, one or more of fly ash, fine slag powder, fine limestone powder, and silica fume may be selected, and used to account for 4 to 15% by weight of the total dry mortar composition. If the content of the admixture is less than 4% by weight, it is difficult to expect the effect of the admixture, and if the content of the admixture is more than 15% by weight, the amount of admixture is relatively higher than the amount of cement. It has a detrimental adverse effect. Each admixture is used as a powder within the range normally used as a concrete admixture.For example, fly ash is 2,500 ~ 4,500㎠ / g, slag fine powder is 4,000 ~ 6,000㎠ / g, limestone fine powder is 6,000 ~ 8,000㎠ / g, silica fume is 100,000-130,000 cm <2> / g.
본 발명에서 유동화제는 유동성을 증대시켜 충전성을 개선시키기 위한 재료인데, 본 발명에서는 나프탈렌계 분말형 유동화제를 제안한다. 나프탈렌계 유동화제는 가격이 저렴하고, 현장계량에 의한 배합수 변동에 대하여 유동성 변동이 작기 때문에 건조 몰탈의 품질 관리에 유리하다. 유동화제는 전체 건조 몰탈 조성물에서 0.2~0.5중량% 차지하도록 사용하는데, 0.2중량% 미만이면 충분한 유동성 발휘에 효과를 나타내지 못하는 반면, 0.5중량%를 초과하면 비경제적일 뿐만 아니라 재료분리를 초래할 수 있다.In the present invention, the fluidizing agent is a material for improving the filling property by increasing the fluidity, and the present invention proposes a naphthalene powder type fluidizing agent. Naphthalene-based fluidizing agents are advantageous for quality control of dry mortar because they are inexpensive and have small fluctuations in fluidity against fluctuations in blended water due to field metering. The fluidizing agent is used to occupy 0.2 to 0.5% by weight of the total dry mortar composition, while less than 0.2% by weight does not have an effect on exhibiting sufficient fluidity, while exceeding 0.5% by weight may result in material separation as well as material separation. .
본 발명에서 소포제는 기포 생성을 억제하여 곰보 형성을 방지하기 위한 재료이며, 본 발명에서는 실리콘계 분말형 소포제를 전체 건조 몰탈 조성물에서 0.1~0.3중량% 차지하도록 사용한다. 0.1중량% 미만이면 도 1과 같이 기포 발생으로 곰보를 형성시키며, 0.3중량%를 초과하면 비경제적일 뿐만 아니라 공기량 부족으로 유동성 저하 및 동결융해에 의한 내구성 저하가 우려된다. 이와 같은 소포제의 사용량은 통상 콘크리트 배합과는 다른데, 이는 본 발명의 용도가 건축 조형물을 제조하기 위한 용도임을 감안한데에 따른 것이다. 실제 하기 실시예에서와 같이 소포제의 사용량에 따라 종래의 건축 조형물에 비해 현저히 우수한 외관을 가지 는 건축 조형물을 제조할 수 있음을 확인할 수 있었다.In the present invention, the antifoaming agent is a material for preventing the formation of bovine by suppressing the formation of bubbles, in the present invention, the silicon-based powdered antifoaming agent is used so as to occupy 0.1 to 0.3% by weight in the total dry mortar composition. If less than 0.1% by weight, as shown in Figure 1 to form a bubble as a bubble, if it exceeds 0.3% by weight is not only uneconomical, there is a concern that the fluidity and the durability degradation due to freeze-thawing due to the lack of air. The amount of such antifoaming agents is usually different from the concrete mix, which is due to the fact that the use of the present invention is for the production of architectural sculptures. In fact, as shown in the following examples it can be seen that according to the amount of the antifoaming agent can be produced a building sculpture having a significantly superior appearance compared to the conventional building sculpture.
본 발명에서 증점제는 유동화제 사용에 따른 페이스트와 골재의 분리를 방지하기 위한 재료이며, 본 발명에서는 폴리사카라이드계 분말형 증점제를 전체 건조 몰탈 조성물에서 0.002~0.01중량% 차지하도록 사용한다. 폴리사카라이드계 증점제는 소량 첨가에 의해 페이스트와 결합수의 분리를 방지하는데 효과적이고, 특히 건축 조형물과 같이 몰탈 내지 콘크리트를 채워 넣은 후 정치되어 있을 때 분리방지 성능이 우수하여 그 성형성을 그대로 유지하려는 특징을 가지고 있다. 0.002중량% 미만이면 증점제 사용에 따른 효과를 기대하기 어렵고, 0.01중량% 초과하면 점성이 증가하여 유동성 및 작업성에 불리한 결과를 초래한다.In the present invention, the thickener is a material for preventing separation of the paste and the aggregate according to the use of a fluidizing agent, and in the present invention, the polysaccharide-based thickener is used to occupy 0.002 to 0.01 wt% of the total dry mortar composition. The polysaccharide thickener is effective in preventing the separation of the paste and the bonding water by adding a small amount. Especially, the polysaccharide thickener is excellent in the prevention of separation when it is left standing after filling mortar or concrete such as a building molding, and thus maintains its formability. It has a feature to do. If it is less than 0.002% by weight, it is difficult to expect the effect of using the thickener, and if it exceeds 0.01% by weight, the viscosity increases, which results in adverse effects on flowability and workability.
본 발명에서 건조 모래는 5mm 이하로 전체 건조 몰탈 조성물에서 40~68중량%를 차지하도록 사용한다. 건조 몰탈 조성물의 장기 보관을 위해 완전 건조 상태의 모래이다. 건조 모래는 40중량% 미만이면 결합재(시멘트+혼화재)량이 상대적으로 많아져 점성 증가에 의한 건축 조형물의 제조 성능이 떨어지고, 68중량% 초과하면 재료의 분리 가능성이 크고 건축 조형물의 표면이 거칠어 표면마감이 불량한 결과를 초래한다.Dry sand in the present invention is used to occupy 40 to 68% by weight in the total dry mortar composition to 5mm or less. It is completely dry sand for long term storage of dry mortar compositions. If the dry sand is less than 40% by weight, the amount of binder (cement + admixture) is relatively high, which decreases the manufacturing performance of building sculptures due to the increase in viscosity, and if it exceeds 68% by weight, there is a high possibility of material separation and the surface of the building sculptures is rough, resulting in surface finish. This results in poor results.
상기와 같은 조성의 건조 몰탈 조성물은 공장에서 미리 혼합한 후 현장에서 배합수와 혼합하여 충전 몰탈로 이용할 수 있다. 충전 몰탈로 이용할 때에는 건조 몰탈 조성물에 대하여 15~25중량%의 배합수를 사용한다. 배합수가 15중량% 미만이면 충분한 유동성이 발휘되지 못하고 고강도 성능이 크게 되어 자기수축 및 취성의 우려가 있으며, 25중량% 초과하면 수량의 과다첨가에 의한 재료분리와 강도발현 저하에 따른 건축 조형물의 탈락 및 파손 등의 결과를 초래한다. 충전 몰탈은 기와, 표면마감 장식재 등 비교적 두께가 가늘고 복잡한 형상의 건축 조형물 제조에 바람직하게 이용할 수 있다.The dry mortar composition of the composition as described above may be used as a filling mortar by mixing in advance in the factory and then mixed with the blended water in the field. When using as a filling mortar, 15-25 weight% of mixing water is used with respect to a dry mortar composition. If the amount is less than 15% by weight, sufficient fluidity is not exerted and high strength performance is increased, which may cause self-shrinkage and brittleness. If the content is more than 25% by weight, the building sculptures may be dropped due to material separation and reduced strength expression due to excessive addition of water. And breakage or the like. Filled mortar can be suitably used for the manufacture of building sculptures having a relatively thin and complex shape such as roof tiles and surface finishing decorative materials.
또한, 상기와 같은 조성의 건조 몰탈 조성물은 공장에서 미리 혼합한 후 현장에서 굵은 골재 및 배합수와 혼합하여 충전 콘크리트로 이용할 수 있다. 충전 콘크리트로 이용할 때에는 건조 몰탈 조성물에 대하여 10~50중량%의 굵은 골재(5~15mm)를 건조 몰탈 조성물에 대하여 15~25중량%의 배합수를 건조 몰탈 조성물에 투입 혼합하여 충전 콘크리트를 만든다. 굵은 골재의 사용량은 재료분리와 다짐성을 고려한 것이다. 충전 콘크리트는 기둥, 난간, 서까래, 공포 등과 같이 비교적 단순한 형상을 가지고 크기가 큰 건축 조형물 제조에 바람직하게 이용할 수 있다. 난간, 공포 등 규모가 작고 형상이 복잡한 경우에도 굵은 골재량을 적절히 조절한 충전 콘크리트를 이용할 수 있음은 물론이다.In addition, the dry mortar composition of the composition as described above may be mixed with the coarse aggregate and blended water in the field after mixing in advance in the factory can be used as a filling concrete. When used as the filling concrete, 10 to 50% by weight of coarse aggregate (5 to 15mm) based on the dry mortar composition is mixed with 15 to 25% by weight of the blended water to the dry mortar composition to form the filling concrete. The amount of coarse aggregate used takes into account material separation and compaction. Filled concrete has a relatively simple shape, such as columns, railings, rafters, treads, etc., and is preferably used for producing large architectural sculptures. Even in the case of small scales and complex shapes such as railings and dreads, it is of course possible to use filled concrete in which coarse aggregates are properly adjusted.
한편, 충전 몰탈과 충전 콘크리트는 배합과정에서 유용 미생물을 더 혼입할 수 있다. 유용 미생물(Effective Microorganisms)은 항균력, 탈취력, 항곰팡이 특성 등의 친환경성을 부여하기 위해 혼입되는 것인데, 광합성 세균, 효모, 유산균, 방선균, 사상균 등을 배양한 배양액으로 적량 비율로 혼입할 수 있다. 일반적으로 유용 미생물은 결합재 총 중량의 5 ~ 10%가 정도가 바람직한 것으로 알려져 있다.On the other hand, filled mortar and filled concrete may further incorporate useful microorganisms in the mixing process. Effective microorganisms are mixed to provide eco-friendliness, such as antibacterial activity, deodorizing power, and antifungal properties, and can be mixed at a proper ratio as a culture medium in which photosynthetic bacteria, yeast, lactic acid bacteria, actinomycetes, and filamentous fungi are cultured. In general, it is known that the useful microorganism is about 5 to 10% of the total weight of the binder.
이하에서는 실시예에 의거하여 본 발명을 살펴본다. 다만, 하기의 실시예는 본 발명을 예시하기 위한 것일 뿐이며, 본 발명의 범위가 이로써 한정되는 것은 아니다. Hereinafter, look at the present invention based on the embodiment. However, the following examples are only for illustrating the present invention, and the scope of the present invention is not limited thereto.
[실시예 1] 충전 몰탈의 물성Example 1 Physical Properties of Filled Mortar
(1)건조 몰탈 배합(1) Dry mortar combination
하기 [표 2]와 같은 조성으로 건조 몰탈을 배합하였다.Dry mortar was blended in the composition as shown in Table 2 below.
소포제: 실리콘계 분말형 소포제
증점제: 폴리사카라이드계 분말형 증점제
건조 모래: 건조율 100%Glidants: naphthalene powder type glidants
Antifoam: Silicone Powder Defoamer
Thickener: Polysaccharide Powder Thickener
Dry Sand: 100% Drying Rate
(2)플로우 및 압축강도 실험(2) flow and compressive strength test
상기 [표 2]에 따른 건조 몰탈에 대해 배합수량에 따른 플로우와 압축강도 실험을 실시하였다. 실험결과는 도 2 및 도 3과 같이 나타났다. 도 2 및 도 3에서 보는 바와 같이 15~25중량%의 배합수량(W/DM)일 때 플로우와 압축강도가 우수하게 나타났으며, 이러한 플로우와 압축강도에 따라 본 발명에 따른 충전 몰탈은 고유동, 고강도 물성을 가진다고 할 것인 바 복잡한 형상의 건축 조형물용 제작에 바람직하게 이용할 수 있다. 또한, 도 4는 본 발명에 따른 충전 몰탈([표 2]의 건조 몰탈, 배합수 180㎏)과 충전 콘크리트([표 2]의 건조 몰탈, 굵은 골재 350㎏, 배합수 200㎏)의 유동성을 보여주는 사진인데, 보는 바와 같이 재료분리 없이 양호한 플로우를 확인할 수 있다.For the dry mortar according to the [Table 2] was carried out the flow and compressive strength experiments according to the amount of compounding. Experimental results are shown in FIGS. 2 and 3. As shown in FIGS. 2 and 3, the flow and compressive strength were excellent when the compounding quantity (W / DM) was 15 to 25% by weight, and the filling mortar according to the present invention was inherent according to the flow and the compressive strength. It can be said to have copper and high strength physical properties, and it can use suitably for manufacture for architectural molding of a complicated shape. In addition, Figure 4 shows the fluidity of the filling mortar (dry mortar of [Table 2], blending water 180kg) and the filling concrete (dry mortar of [Table 2], coarse aggregate 350kg, blending water 200kg) according to the present invention As the picture shows, good flow can be confirmed without material separation.
(3)건축 조형물 제조(3) building of architectural sculptures
도 4의 충전 몰탈과 충전 콘크리트로 건축 조형물을 제조하였다. 제조한 건축 조형물은 도 5와 같은데, 보는 바와 같이 도 1에 비해 곰보가 거의 없는 깨끗한 외관의 건축 조형물로 제조되었다. An architectural sculpture was prepared from the packed mortar and filled concrete of FIG. The manufactured architectural sculptures are the same as in FIG. 5, and as shown, the architectural sculptures were manufactured with a clean appearance with almost no bore compared to FIG. 1.
도 1은 종래 충전 몰탈을 이용하여 완성한 건축 조형물 사진이다.1 is a photograph of the architectural sculpture completed using a conventional filling mortar.
도 2와 도 3은 본 발명에 따른 충전 몰탈에 대한 플로우와 압축강도 실험 결과를 나타낸다.2 and 3 show the results of the flow and compressive strength test for the filling mortar according to the present invention.
도 4는 본 발명에 따른 충전 몰탈과 충전 콘크리트의 유동성을 보여주는 사진이다.Figure 4 is a photograph showing the fluidity of the filling mortar and filled concrete according to the present invention.
도 5는 본 발명에 따른 충전 몰탈을 이용하여 완성한 건축 조형물 사진이다.5 is a photograph of the architectural sculpture completed using the filling mortar according to the present invention.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013105740A1 (en) * | 2012-01-13 | 2013-07-18 | 한국과학기술원 | Cement composite comprising carbon nanotube, preparation method thereof, and method for manufacturing carbon nanotube-cement structure using cement composite thereof |
| KR101341530B1 (en) * | 2013-07-12 | 2013-12-13 | 현대엠코 주식회사 | Binder of dry mortar composition and the composition of dry mortar for flooring screeds and construction method using the same |
| KR101347790B1 (en) * | 2013-07-03 | 2014-01-03 | 한대근 | Concrete composition for building materials including waste glasses and blast furnace slag powder and method of manufacturing concrete panel for building materials using thereof |
| KR20200093220A (en) * | 2019-01-28 | 2020-08-05 | 강원대학교산학협력단 | Modeling of Hydration, Strenght Development, and Optimum Combinations of Cement-Slag-Limestone Ternary Concrete |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100561098B1 (en) | 2005-08-05 | 2006-03-15 | 브이에스엘코리아 주식회사 | Mortar composite for increasing strength of structure |
| KR100769853B1 (en) | 2006-06-02 | 2007-10-24 | 주식회사 웸 | Self-leveling mortar composition |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013105740A1 (en) * | 2012-01-13 | 2013-07-18 | 한국과학기술원 | Cement composite comprising carbon nanotube, preparation method thereof, and method for manufacturing carbon nanotube-cement structure using cement composite thereof |
| KR101347790B1 (en) * | 2013-07-03 | 2014-01-03 | 한대근 | Concrete composition for building materials including waste glasses and blast furnace slag powder and method of manufacturing concrete panel for building materials using thereof |
| KR101341530B1 (en) * | 2013-07-12 | 2013-12-13 | 현대엠코 주식회사 | Binder of dry mortar composition and the composition of dry mortar for flooring screeds and construction method using the same |
| KR20200093220A (en) * | 2019-01-28 | 2020-08-05 | 강원대학교산학협력단 | Modeling of Hydration, Strenght Development, and Optimum Combinations of Cement-Slag-Limestone Ternary Concrete |
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